Huffpost Politics

Indiana Senate Race Between Lugar And Mourdock Sees Nation's Highest Outside Spending

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Indiana's Senate race has attracted about $4 million in outside spending, the highest of any congressional race this year, according to the Indianapolis Star.

State Treasurer Richard Mourdock received the bulk -- nearly 70 percent -- of those funds, for his challenge to incumbent Sen. Richard Lugar (R-Ind.) in next week's Republican primary, the Star found. The largest contributors on Mourdock's side included the anti-tax Club for Growth, which spent more than $1.7 million against Lugar, as well as the National Rifle Association and the Tea Party-aligned FreedomWorks for America. Lugar's biggest supporter was the pro-incumbent America Action Network.

Mourdock and Lugar are locked in a close primary battle that has taken a troubling turn for Lugar. The America Action Network recently canceled $200,000 in airtime, about a third of what it had planned to spend attacking Mourdock, and a recent poll showed Mourdock up five points.

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